Parameters

s

A string. [Edit]

index

A int that specifies the position of a character in s. [Edit]

index

Documentation for this section has not yet been entered. [Edit]

Returns

A double representing the numeric value associated with the char at position index in s if and only if that char has an associated numeric value; otherwise, -1.0. [Edit]

Exceptions

Type	Reason
ArgumentNullException	s is a null reference. [Edit]
ArgumentOutOfRangeException	The value of index is less than zero, or greater than or equal to the length of s. [Edit]

Remarks

A character has an associated numeric value if and only if it is a member of one of the following categories in System.Globalization.UnicodeCategory: System.Globalization.UnicodeCategory.DecimalDigitNumber, System.Globalization.UnicodeCategory.LetterNumber, or System.Globalization.UnicodeCategory.OtherNumber . [Edit]

Requirements

Namespace: System
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0